from the designer's blog:
The normal version of Archipelago requires you to sketch out a map of the locations on a piece of paper, but I thought it might be fun to use a bunch of markers and post-it notes on a large piece of posterboard, then add miniatures and props (like the catapult and volcano).

A Grail Epoch is a hack (which, if you don’t play tabletop RPGs, is something like a remix or a modification) of an existing game of Archipelago II.

If you’re not familiar with Archipelago II, designed by Matthijs Holter, it’s a story game in which your character strives towards a destiny that’s partially defined at the beginning of each session.

Normally, your Destiny is written by another player, but we thought it would be interesting to split the Destiny up between two, just to see what shenanigans would ensue.